发明名称 |
Compact integrated front projection system |
摘要 |
The present invention provides for a compact integrated front projection display system. The system comprises a frame having first and second portions and a foldable arm having first and second ends. The second end of the arm is connected to the first portion of the frame. The arm is moveable between a storage position and a projection position. The system also includes a retractable projection screen disposed on the second portion of the frame and a projection head mounted on the first end of the moveable arm.
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申请公布号 |
US6604829(B2) |
申请公布日期 |
2003.08.12 |
申请号 |
US20020325584 |
申请日期 |
2002.12.19 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
RODRIGUEZ, JR. ERNESTO M. |
分类号 |
G03B21/14;G03B21/30;G03B21/60;H04N5/74;H04N17/00;(IPC1-7):G03B21/14 |
主分类号 |
G03B21/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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